40704338 has 4 divisors (see below), whose sum is σ = 61056510. Its totient is φ = 20352168.

The previous prime is 40704331. The next prime is 40704361. The reversal of 40704338 is 83340704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40538689 + 165649 = 6367^2 + 407^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40704338.

It is not an unprimeable number, because it can be changed into a prime (40704331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176083 + ... + 10176086.

Almost surely, 2^40704338 is an apocalyptic number.

40704338 is a deficient number, since it is larger than the sum of its proper divisors (20352172).

40704338 is a wasteful number, since it uses less digits than its factorization.

40704338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20352171.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40704338 is about 6379.9951410640. The cubic root of 40704338 is about 343.9908563010.

The spelling of 40704338 in words is "forty million, seven hundred four thousand, three hundred thirty-eight".